﻿// -----------------------------------------------------------------------
// <copyright company="www.3WayWebdesign.de">
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
// </copyright>
// 
// <author>Michael Morbach</author>
// <email>Michael@3waywebdesign.de</email>
// <web>http://www.3waywebdesign.de</web>
// ----------------------------------------------------------------------

using System;
using System.Globalization;
using System.Windows.Data;

namespace Tww.MAF.MAFControlSuite.Core.Converter
{
    [ValueConversion(typeof (Double), typeof (double))]
    internal class MultiplyValueConverter : IValueConverter
    {
        #region  - IValueConverter Members -

        /// <summary>
        /// Konvertiert einen Wert.
        /// </summary>
        /// <param name="value">Der von der Bindungsquelle erzeugte Wert.</param>
        /// <param name="targetType">Der Typ der Bindungsziel-Eigenschaft.</param>
        /// <param name="parameter">Der zu verwendende Konverterparameter.</param>
        /// <param name="culture">Die im Konverter zu verwendende Kultur.</param>
        /// <returns>
        /// Ein konvertierter Wert.Wenn die Methode null zurückgibt, wird der gültige NULL-Wert verwendet.
        /// </returns>
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            double manipulatedValue = (double) value;
            float multiplicator = float.Parse((string) parameter, CultureInfo.InvariantCulture);

            return manipulatedValue*multiplicator;
        }

        /// <summary>
        /// Konvertiert einen Wert.
        /// </summary>
        /// <param name="value">Der Wert, der vom Bindungsziel erzeugt wird.</param>
        /// <param name="targetType">Der Typ, in den konvertiert werden soll.</param>
        /// <param name="parameter">Der zu verwendende Konverterparameter.</param>
        /// <param name="culture">Die im Konverter zu verwendende Kultur.</param>
        /// <returns>
        /// Ein konvertierter Wert.Wenn die Methode null zurückgibt, wird der gültige NULL-Wert verwendet.
        /// </returns>
        /// <exception cref="System.NotSupportedException">No backconversion supported</exception>
        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotSupportedException("No backconversion supported");
        }

        #endregion
    }
}